A new species, Amaurobius caucasicus sp. n., is described based on the holotype male and two male paratypes from Eastern Georgia. A similar species, A. hercegovinensis Kulczyński, 1915, known only from the original description is redescribed. The taxonomic status of Amaurobius species considered as nomina dubia and species described outside the Holarctic are also assessed. Amaurobius koponeni Marusik, Ballarin Omelko, 2012, syn. n. described from northern India is a junior synonym of A. jugorum L. Koch, 1868 and Amaurobius yanoianus Nakatsudi, 1943, syn. n. described from Micronesia is synonymised with the titanoecid species Pandava laminata (Thorell, 1878) a species known from Eastern Africa to Polynesia. Considerable size variation in A. antipovae Marusik et Kovblyuk, 2004 is briefly discussed.
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http://dx.doi.org/10.11646/zootaxa.4718.1.3 | DOI Listing |
Zookeys
January 2025
Institute of Ecology and Evolution, Russian Academy of Sciences, Leninsky prospekt 33, Moscow 119071, Russia Institute of Ecology and Evolution, Russian Academy of Sciences Moscow Russia.
The family Dalodesmidae Cook, 1896 in the fauna of Madagascar is reviewed and shown to presently encompass eight species in three genera: Cook, 1896 (six species), Brölemann, 1916 (one species), and de Saussure & Zehntner, 1897 (one species). These genera are diagnosed, and their respective species keyed, all being endemic to Madagascar proper and/or the immediately adjacent islets of Nosy Be and/or Nosy Sakatia. currently contains six species, including two new, all supplied either with brief descriptive notes and available iconography or extensive descriptions and new illustrations, as follows: (Brandt, 1841), from an unspecified locality in Madagascar, now redescribed from a male specimen from Makira, northeastern Madagascar; (Attems, 1898), from Nosy Be Isle; Hoffman, 1974, from Ambohimitombo, central Madagascar; Cook, 1896 (= (de Saussure & Zehntner, 1897), ), originally described from an unspecified locality in central Madagascar, with a male type and additional males identified as recorded from the Andasibe National Park (= Périnet) in east-central Madagascar.
View Article and Find Full Text PDFSci Adv
January 2025
New Cornerstone Science Laboratory, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China.
Deep brain stimulation technology enables the neural modulation with precise spatial control but requires permanent implantation of conduits. Here, we describe a photothermal wireless deep brain stimulation nanosystem capable of eliminating α-synuclein aggregates and restoring degenerated dopamine neurons in the substantia nigra to treat Parkinson's disease. This nanosystem (ATB NPs) consists of gold nanoshell, an antibody against the heat-sensitive transient receptor potential vanilloid family member 1 (TRPV1), and β-synuclein (β-syn) peptides with a near infrared-responsive linker.
View Article and Find Full Text PDFCurr Org Synth
January 2025
Department of Chemistry, GITAM School of Science, GITAM (Deemed to be University), Hyderabad, Telangana, 502329, India.
Introduction: The origin, synthesis, characterization and docking studies of (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R,1E,4E)-3-hydroxy-5-phenylpenta-1,4-dien-1-yl)cyclopentyl)-N-ethylhept-5-enamide, an impurity generated in the preparation of an anti-glaucoma agent-Bimatoprost has been described.
Methods: This impurity was controlled by employing 30% Pd/C, and the impurity level was brought to the permissible level, i.e.
Monatsh Chem
December 2023
Institute of Applied Synthetic Chemistry, TU Wien, Vienna, Austria.
Unlabelled: In recent years, sugar alcohols have gained significant attention as organic phase change materials (PCMs) for thermal energy storage due to their comparably high thermal storage densities up to 350 J/g. In a computational study, outstandingly high values of up to ~ 450-500 J/g have been postulated for specific higher-carbon sugar alcohols. These optimized structures feature an even number of carbon atoms in the backbone and a stereochemical configuration in which all hydroxyl groups are in an 1,3--relationship, as found in the natural hexitol d-mannitol.
View Article and Find Full Text PDFJ Org Chem
January 2025
Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany.
Xanthine nucleosides play a significant role in the expansion of the four-letter genetic code. Herein, 7-functionalized 8-aza-7-deazaxanthine ribo- and 2'-deoxyribonucleosides are described. 2-Amino-6-alkoxy nucleosides were converted to halogenated 8-aza-7-deazaxanthine nucleosides by deamination followed by hydroxy/alkoxy substitution.
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